blinc is proud to introduce its latest innovation in liquid liners with the blinc ultrathin liquid eyeliner pen. This remarkable new eyeliner boasts a brush of only 0.00876mm, the most precise brush available in the cosmetics industry! This allows it to provide the thinnest, most exact line possible, allowing for unparalleled versatility. blinc ultrathin liquid eyeliner pen cannot fade, smudge or run, even if you cry or rub your eyes.